Contributions to Western Botany. 85 
the bisceptrum-acuminatum, group. ‘The’ bulb scales sent me 
from the type were the outer membrane only and not the main 
coat, in addition they were probably taken from the upper part 
only as the meshes are too long. The true markings are given 
in the last plates. This species which is manifestly a close con- 
gener to and the representative of A. acuminatum on the Coast, 
has very similarly pitted coat, but the outer membrane has the 
rectangular meshes given in the plate as those of A. lacunosum. 
Mrs. Brandegee found this species growing at ‘Sehachapi, so it is 
not. an insular onion exclusively. The true A..acuminatum oc- 
curs in the Sierras, 
A. bisceptrum has a closer relationship to several species in 
the Sierras than is usually supposed and is not always easily 
separable from them. ‘The writer himself has confused two of 
these species. It blooms at least two weeks later than A. Aus- 
tinge and is a robust plant with succulent leaves which are broad 
and long. A.campanulatum is probably a similar but still more 
robust plant with larger flowers. 
A. campanulatum Wats. Plants found by Congdon in the 
Sierras correspond perfectly with the description as given on 
page 15 No. 24. This is a robust plant 14-2° high, with the 
delicate sepals of the unifolium-attenuifolium groups, and with 
large flowers. The markings of the bulb coats place it with A. 
bisceptrum. : 
A. Austinae n.sp. ‘This is what the writer has hitherto ta- 
ken for the true A. campanulatum and is fully described on page 
26 No. 52. The flowers are rotate. The crestsare quite vari- 
able but very prominent. They cover the entire tip of the 
Ovary and spread out from it like a rotate corolla the whole being 
over one-half wider than the ovary. ‘They are often dark-purple 
and spread the filaments widely. The species abounds by millions 
at Summit and Castle Peak (Mt. Stanford) in the Sierras on 
gravelly ridges along with A. obtusum. 
A. stenanthum Drew is A. serratum. 
